Air Compressor Troubleshooting - Sharp SV2414 Maintenance Manual

PRECISION MACHINE TOOLS
3-3 Air Compressor Unit Troubleshooting
Problem
Reduced pressure source
output
Gas leakage
Disfunctional pressure
regulator
Output side air pressure low
Gas leakage at the screw cap
No oil dripped from the oil cup
The oil volume cannot be
adjusted
Oil leadkage at the adjustment
needle
Cause
Blocked filter
1. Loosened nut
2. Broken O-ring
3. Broken tube
Broken pressure regulator
1. Broken spring of the
pressure regulator
2. Broken spring of the valve
3. Dust or dirts on the base of
the valve
4. Broken lining of the valve
5. Broken film
1. Dust on the valve base
2. Broken inner lining rubber
3. Broken valve spring
1. Loosened cap nut
2. Broken film
1. The adjusting needle being
too tight
2. The adjusting needle
cannot be closed or there
are dirts on the needle. The
adjustment needle cannot
bear the pressure
3. Broken or damaged
adjusting needle or needle
base
1. The adjustment needle is
too loose
2. The adjustment needle
cannot be closed or dirt on
the needle. The adjusting
needle cannot bear the
pressure
3. Broken or damaged
adjustment needle or
needle base
1. The needle is too loose
2. Broken O-ring
Correction
Clean the filter
1. Tighten the nut
2. Replace the o-ring
3. Replace the tube
1. Replace the spring
2. Replace the spring
3. Clean the valve and the base
4. Replace the valve
5. Replace the film
1. Clean the valve and the valve
2. Replace the valve
3. Replace the spring
1. Tighten the cap nut
2. Replace the film
1. Loosen up the needle
2. Reduce the oil volume until
3. Add more oil until the level
4. Clean up the blockage
1. Tighteen the needle and
gradually loosen it for adjustment
2. Remove the dirt
3. Partial replacement
1. Tighten up the adjustment
2. Replace the O-ring
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Ver 1 Maintenance Manual
base
the level reaches the
maximum oil level
reaches between the
maximum and the minimum
level
needle